1. Open this link, select-all and copy it.
2. Open up the Error Console (Update: you need FF3.1 to make it work).
3. Paste into the Code field at the top, and click Evaluate.

10 random Wikipedia URLs out of 273 in my browsing history...

  1. Hérules
  2. Romulus Augustule
  3. Cisterciens
  4. CALS Table Model
  5. John Brown (homonymie)
  6. Ponzi scheme
  7. Atmail
  8. Alfred d'Édimbourg et de Saxe-Cobourg-Gotha
  9. Daniel Kottke
  10. Cyberdog